जॉइन Examsbookउत्तर : 4. "World Smile Day"
October 3 is observed as _______5
प्र: October 3 is observed as _______
- 1World Vegetarian Dayfalse
- 2United Nations Day for South-South Cooperationfalse
- 3World Immunization Dayfalse
- 4World Smile Daytrue
- उत्तर देखेंउत्तर छिपाएं
- Workspace
उत्तर : 4. "World Smile Day"
व्याख्या :
Answer: D) World Smile Day Explanation:

